Results 141 to 150 of about 653,742 (376)

Growth of Omnichannel Grocery Retailing and Food Prices

open access: yesAgribusiness, EarlyView.
ABSTRACT This paper examines the effects of the growth of omnichannel grocery retailing on food prices. We first develop a conceptual model of consumer choice and retailer pricing that allows us to evaluate changes in equilibrium prices, quantities, and profits with online channel growth and alternative pricing strategies.
Xiangwen Kong   +2 more
wiley   +1 more source

The QCML dataset, Quantum chemistry reference data from 33.5M DFT and 14.7B semi-empirical calculations

open access: yesScientific Data
Machine learning (ML) methods enable prediction of the properties of chemical structures without computationally expensive ab initio calculations. The quality of such predictions depends on the reference data that was used to train the model.
Stefan Ganscha   +5 more
doaj   +1 more source

OK Google, What Is Your Ontology? Or: Exploring Freebase Classification to Understand Google's Knowledge Graph [PDF]

open access: yesarXiv, 2018
This paper reconstructs the Freebase data dumps to understand the underlying ontology behind Google's semantic search feature. The Freebase knowledge base was a major Semantic Web and linked data technology that was acquired by Google in 2010 to support the Google Knowledge Graph, the backend for Google search results that include structured answers to
arxiv  

Role of radiotherapy in surgical approaches to pancreatic cancer treatment: A narrative review

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
This review explores the role of radiotherapy (RT) in the multidisciplinary treatment of pancreatic ductal adenocarcinoma (PDAC), focusing on its integration with surgical strategies to improve resectability, local control, and survival outcomes while addressing potential challenges and future research directions.
Satoshi Yasuda   +4 more
wiley   +1 more source

Comparison between olanexidine gluconate and conventional antiseptics for surgical site infection in gastroenterological surgery: A meta‐analysis

open access: yesAnnals of Gastroenterological Surgery, EarlyView.
This meta‐analysis compared olanexidine gluconate (OLG) with conventional antiseptics on surgical site infections (SSIs) in gastroenterological surgery. OLG significantly reduced overall SSIs without statistical heterogeneity. Abstract Aim To compare the preventative effect of the new antiseptic olanexidine gluconate (OLG) with conventional antiseptics
Akihisa Matsuda   +4 more
wiley   +1 more source

A mobile app as support for pelvic floor muscle training started prior to radical prostatectomy

open access: yesBJUI Compass, Volume 4, Issue 1, Page 114-122, January 2023., 2023
Abstract Objective To evaluate the usefulness of a mobile app to support pelvic floor muscle training (PFMT) started prior to radical prostatectomy (RP). Materials and methods A prospective cohort study conducted in Sweden from June 2018 to February 2021 including men for whom RP was planned within 12 months.
Zinah Al‐Zaidi   +3 more
wiley   +1 more source

Adherence to non-pharmaceutical interventions following COVID-19 vaccination: a federated cohort study

open access: yesnpj Digital Medicine
In pandemic mitigation, strategies such as social distancing and mask-wearing are vital to prevent disease resurgence. Yet, monitoring adherence is challenging, as individuals might be reluctant to share behavioral data with public health authorities. To
Benjamin Rader   +12 more
doaj   +1 more source

Feasibility test of per-flight contrail avoidance in commercial aviation

open access: yesCommunications Engineering
Contrails, formed by aircraft engines, are a major component of aviation’s impact on anthropogenic climate change. Contrail avoidance is a potential option to mitigate this warming effect, however, uncertainties surrounding operational constraints and ...
Aaron Sonabend-W   +29 more
doaj   +1 more source

Market or Markets? Investigating Google Search's Market Shares Under Horizontal and Vertical Segmentation [PDF]

open access: yes
Is Google Search a monopoly with gatekeeping power? Regulators from the US, UK, and Europe have argued that it is based on the assumption that Google Search dominates the market for horizontal (a.k.a. "general") web search. Google disputes this, claiming that competition extends to all vertical (a.k.a. "specialized") search engines, and that under this
arxiv   +1 more source

Implementation of a Biologically Inspired Responsive Joint Attention System for a Social Robot

open access: yesAdvanced Intelligent Systems, EarlyView.
This work introduces a responsive joint attention system in the social robot Mini, enabling dynamic, human‐like responses based on the user's head, body, and gaze. The system enhances user engagement and robot responsiveness. An experiment reveals significant improvements in social presence when the system is active, validating its effectiveness in ...
Jesús García‐Martínez   +4 more
wiley   +1 more source

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